Great question! All of the above, and:\r\n\r\n@ZurichMuseums – news about exhibitions etc\r\n@habitusnet – small business and tech-focussed (disclaimer: I work for them)\r\n@m_hof – NZZ journalist reporting on environmental and social policy\r\n@zurcherart – tech, social media, lifestyle\r\n@wetter_zh – speaks for itself :)\r\n@swissinfo_en – news\r\n@swissjourno – news (maybe this is what Christian meant in the first entry on his list?)\r\n@scarponio – architecture